I'm just really glad it wasn't one of your more expensive bags! The salon definitely should have offered you a discount, what did the stylist say!? Call the owner and let them know what happened!
I had a friend that in a salon they got hair dye on her LV and the owner of the shop had to buy her a new replacement LV. The shop then turned around and sold the damage LV on Ebay to cover some of their loss. Turned out the salon's insurance company paid the claim not really the owner of the salon. If the salon is a really good one as you say, then you need to contact the owner of the shop (since she/he was not there the day this accident occrured) and exlain you epect to have your bag replaced or paid for by them and offer to go in and fill out whatever necessary paperwork has to be filled out for the shop to file a claim with their insurance carrier. Good Luck.